Yes — marriagebiodata.sbs has IPv6.

Has both IPv4 (A) and IPv6 (AAAA) addresses.

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 marriagebiodata.sbs has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:84:ce0e:f362:428d:b5f9:b39b answers · 443✓ 2a02:4780:84:4684:a2e0:2e9e:8cb4:209b answers · 443	yes
www over IPv6 www.marriagebiodata.sbs has 2 IPv6 addresses and answers on every one we tested. ✓ 2a02:4780:4c:7267:ab66:3226:da46:992c answers · 443✓ 2a02:4780:4d:c68:dbe4:bc8f:b707:1c88 answers · 443	yes
Mail servers (MX) have IPv6 No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. helios.dns-parking.com ✓aster.dns-parking.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate: HTTP 200.

https://marriagebiodata.sbs/ via 2a02:4780:84:ce0e:f362:428d:b5f9:b39b → 200

works

Nothing keeping you from an A

Nothing to fix
Show it off: add the badge to your README.
[![IPv6](https://aaaa.bot/badge/marriagebiodata.sbs.svg)](https://aaaa.bot/marriagebiodata.sbs)

Check again

marriagebiodata.sbs Has IPv6

A (IPv4)	88.222.222.40 2.57.91.106
AAAA (IPv6)	2a02:4780:84:ce0e:f362:428d:b5f9:b39b 2a02:4780:84:4684:a2e0:2e9e:8cb4:209b

www.marriagebiodata.sbs Has IPv6

Alias of	www.marriagebiodata.sbs.cdn.hstgr.net
A (IPv4)	84.32.84.26 88.222.222.195
AAAA (IPv6)	2a02:4780:4c:7267:ab66:3226:da46:992c 2a02:4780:4d:c68:dbe4:bc8f:b707:1c88

Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).

Copy the evidence — a citation-ready record of this measurement

IPv6 measurement: marriagebiodata.sbs
Measured 2026-11-01 21:28:53 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    88.222.222.40, 2.57.91.106
AAAA (IPv6): 2a02:4780:84:ce0e:f362:428d:b5f9:b39b, 2a02:4780:84:4684:a2e0:2e9e:8cb4:209b
www AAAA:    2a02:4780:4c:7267:ab66:3226:da46:992c, 2a02:4780:4d:c68:dbe4:bc8f:b707:1c88

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: marriagebiodata.sbs has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:84:ce0e:f362:428d:b5f9:b39b: answers (TCP 443)
    2a02:4780:84:4684:a2e0:2e9e:8cb4:209b: answers (TCP 443)
- www over IPv6: www.marriagebiodata.sbs has 2 IPv6 addresses and answers on every one we tested.
    2a02:4780:4c:7267:ab66:3226:da46:992c: answers (TCP 443)
    2a02:4780:4d:c68:dbe4:bc8f:b707:1c88: answers (TCP 443)
- Mail servers (MX) have IPv6: No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.
- Nameservers have IPv6: 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.

Reachability = a TCP connection opened on port 443 (or 80).

HTTPS over IPv6 (not graded): Loads over IPv6 with a valid certificate: HTTP 200.
    https://marriagebiodata.sbs/ via 2a02:4780:84:ce0e:f362:428d:b5f9:b39b -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/F1M0rc9aH-

Permanent link: aaaa.bot/r/F1M0rc9aH- · How we measure

Checked 2026-11-01 21:28:53 UTC. Full DNS report: dns.pizza/domain/marriagebiodata.sbs · JSON: /api/v1/marriagebiodata.sbs